1758782 - Valgrind run fails when building with clang 14

Status: RESOLVED FIXED

(Firefox Build System :: General, defect)

Description

[Mike Hommey [:glandium]]

--14810-- Reading syms from /builds/worker/workspace/obj-build/dist/bin/firefox-bin
### unhandled dwarf2 abbrev form code 0x25
### unhandled dwarf2 abbrev form code 0x25
### unhandled dwarf2 abbrev form code 0x25
### unhandled dwarf2 abbrev form code 0x23
### unhandled dwarf2 abbrev form code 0x25
### unhandled dwarf2 abbrev form code 0x25
### unhandled dwarf2 abbrev form code 0x25
### unhandled dwarf2 abbrev form code 0x23
==14810== Valgrind: debuginfo reader: ensure_valid failed:
==14810== Valgrind:   during call to ML_(img_get)
==14810== Valgrind:   request for range [172269793, +4) exceeds
==14810== Valgrind:   valid image size of 5478304 for image:
==14810== Valgrind:   "/builds/worker/workspace/obj-build/dist/bin/firefox-bin"
==14810==
==14810== Valgrind: debuginfo reader: Possibly corrupted debuginfo file.
==14810== Valgrind: I can't recover.  Giving up.  Sorry.

The core problem is that clang 14 defaults to dwarf-5, and valgrind doesn't support that.

Comment 1

[BugBot [:suhaib / :marco]]

The Bugbug bot thinks this bug should belong to the 'Firefox Build System::Toolchains' component, and is moving the bug to that component. Please correct in case you think the bot is wrong.

Comment 2

[Mike Hommey [:glandium]]

Attachment: Bug 1758782 - Force-use DWARF-4 debug info.

Comment 3

[Pulsebot]

Pushed by [e-mail]:
https://hg.mozilla.org/integration/autoland/rev/192810f500b5
Force-use DWARF-4 debug info. r=firefox-build-system-reviewers,andi

Comment 4

[Iulian Moraru]

https://hg.mozilla.org/mozilla-central/rev/192810f500b5

Comment 5

[Markus Stange [:mstange]]

Valgrind bug about DWARF 5 support: https://bugs.kde.org/show_bug.cgi?id=452758

Comment 6

[Julian Seward [:jseward]]

I believe this is at least improved, if not completely fixed, in Valgrind 3.20 now.